CBSE Class 7 Mathematics Finding Common Ground MCQs Set J

Question. Side of the packing cube must be a factor of 12, 18 and.
(a) 10
(b) 20
(c) 30
(d) 36

Answer: D

Question. Smallest number multiple of all numbers from 1 to 10 is.
(a) 100
(b) 500
(c) 1260
(d) 2520

Answer: D

Question. Listing all factors from prime factorisation is.
(a) Quick
(b) Easy
(c) Tedious
(d) Fun

Answer: C

Question. In the example 5n the n is called a.
(a) Multiple
(b) Factor
(c) Sum
(d) Prime

Answer: B

Question. A statement that is true for all possible cases is called a.
(a) General statement
(b) Small statement
(c) Wrong statement
(d) Number

Answer: A

Question. In the short division method we divide both numbers by a.
(a) Common prime factor
(b) Odd number
(c) Big number
(d) Zero

Answer: A

Question. In the division method we stop when there is no common.
(a) Prime factor
(b) Multiple
(c) Even number
(d) Answer

Answer: A

Question. In the product of two numbers common and non-common prime factors get.
(a) Deleted
(b) Distributed
(c) Added
(d) Doubled

Answer: B

Question. Two numbers have HCF 1 and LCM 66 the numbers can be.
(a) 6 and 11
(b) 2 and 3
(c) 10 and 20
(d) 5 and 6

Answer: A

Question. Cowherd had cows that pass through 3, 5 and 7 gates equally. Total cows is multiple of.
(a) 3
(b) 15
(c) 105
(d) 200

Answer: C

Question. LCM of two prime numbers is always greater than.
(a) Both numbers
(b) Their product
(c) 1000
(d) Zero

Answer: A

Question. Dog jumps 9 feet and rabbit jumps 7 feet dog catches up using.
(a) Factors
(b) Multiples
(c) HCF
(d) Addition

Answer: B

Question. To add fractions like 8/15 and 1/20 we first find the.
(a) HCF of denominators
(b) LCM of denominators
(c) Sum
(d) 0

Answer: B

Question. To find LCM we include the highest number of occurrences of each.
(a) Prime
(b) Factor
(c) Even number
(d) Composite

Answer: A

Question. To find HCF we include the minimum number of occurrences of each.
(a) Prime
(b) Multiple
(c) Odd number
(d) 1

Answer: A

Question. A statement made without any proof or verification is a.
(a) Fact
(b) Conjecture
(c) Rule
(d) Theorem

Answer: B

Question. If one number is a factor of the other the larger number is their.
(a) HCF
(b) LCM
(c) Prime
(d) 1

Answer: B

Question. HCF of 18 x 10 and 18 x 15 has 18 as a.
(a) Common multiplier
(b) Smallest factor
(c) Sum
(d) Multiple

Answer: A

Question. HCF of 180 and 270 is.
(a) 18
(b) 90
(c) 10
(d) 5

Answer: B

Question. Another name for HCF is.
(a) GCD
(b) LCD
(c) GCM
(d) LCF

Answer: A